Tire tread



FIG. 1 is a perspective view of a tire tread showing our new design, it being understood that the tread pattern repeats circumferentially throughout the outer circumference and shoulder of the tire, the opposite side perspective being identical thereto;

FIG. 2 is a front elevation view thereof; and

FIG. 3 is a side elevation view of the right side thereof, the left side elevation being identical thereto; and,

FIG. 4 is an enlarged partial view thereof.

The broken lines showing the sidewall, inner bead and the peripheral boundary between the tire tread and the sidewall are for the purpose of depicting environment which forms no part of the claim. 

CLAIM The ornamental design for a tire tread, as shown and described. 